Finding the Fourth Proportional to 351,708.65, 485,357.28 and 190,568.06
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Solution
The fourth proportional to 351,708.65, 485,357.28 and 190,568.06 is: 262,983.57
Step by Step Solution
- Step 1: Write the proportion equation
351,708.65 : 485,357.28 = 190,568.06 : x - Step 2: Convert to fraction form
351,708.65/485,357.28 = 190,568.06/x - Step 3: Cross multiply
351,708.65x = 485,357.28 × 190,568.06 - Step 4: Simplify right side
351,708.65x = 92,493,595,755.24 - Step 5: Solve for x
x = 92,493,595,755.24/351,708.65 - Step 6: Final answer
x = 262,983.57
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.